CN109295549A - A kind of biosoluble fibers and preparation method thereof - Google Patents
A kind of biosoluble fibers and preparation method thereof Download PDFInfo
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- CN109295549A CN109295549A CN201811154431.8A CN201811154431A CN109295549A CN 109295549 A CN109295549 A CN 109295549A CN 201811154431 A CN201811154431 A CN 201811154431A CN 109295549 A CN109295549 A CN 109295549A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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Abstract
A kind of biosoluble fibers and preparation method thereof, a kind of biosoluble fibers are prepared by the raw material of following mass parts: 60~70 parts of silica；10~20 parts of calcium oxide；5-10 parts of magnesia；It has many advantages, such as that high temperature resistant, manufacturing cost are low, solubility is good.
Description
Technical field
The present invention relates to biosoluble fibers technical fields, and in particular to a kind of biosoluble fibers and its preparation side
Method.
Background technique
Al2O3Fiber exists with crystal, is unfavorable for degradation after copolymer of fiber suede incoming call human body and excretes, rate of dissolution is less than
7.5ng/cm2H, therefore, it is necessary to be lot more time to gradually be partly dissolved, copolymer of fiber suede (fiber fines) is for a long time in Human Lung
Portion depths constitutes potential threat to human health, and canceration probability increases.
Studies have shown that CaO and MgO belong to modifier oxide, for adjusting solubility of the fiber in body fluid, test
Show CaO content not less than 10%, when content of MgO is not less than 4%, solubility of the alkaline-earth silicate refractory fibre in body fluid is
It can achieve bio-soluble index.Therefore, CaO and MgO characteristic can be made full use of to study one kind can satisfy Nai Wenduji
The refractory fibre of this demand and biosoluble.
It should be noted that above content belongs to the technology category of cognition of inventor, the prior art is not necessarily constituted.
Summary of the invention
The object of the invention is in order to make up for the deficiencies of the prior art, provide a kind of biosoluble fibers and its system
Preparation Method, it has many advantages, such as that high temperature resistant, manufacturing cost are low, solubility is good, solves problems of the prior art.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of biosoluble fibers are prepared by the raw material of following mass parts:
60~70 parts of silica；
10~20 parts of calcium oxide；
5~10 parts of magnesia；
A kind of preparation method of biosoluble fibers, comprising the following steps:
(1) tcrude ore is chosen, tcrude ore presses proportion by weight are as follows:
Silica flour: 40~50 parts, wherein dioxide-containing silica is 90~99wt%；
Talcum powder: 20~27 parts, wherein composition content is SiO230~35wt% of 60~69wt%, MgO；
Dolomite dust: 25~32 parts, wherein composition content is CaO 30.4wt%, MgO 21.9wt%, CO2
47.7wt%；
Rare-earth oxide: 1~3 part；
(2) tcrude ore in step (1) is crushed, and stirred evenly, obtain powder；
(3) powder stirred evenly in step (2) being packed into resistance furnace, start-up resistor furnace drains powder, is melted,
It is fused into liquid；
(4) liquid that melting obtains in step (3) get rid of silk into fibre, obtain biosoluble fibers.
The rare-earth oxide is yttrium oxide.
The tcrude ore is imported in crusher and is crushed, and the particle maximum length of powder is greater than 20mm, is less than 80mm.
The temperature of the resistance furnace melting powder is 1500~1800 DEG C.
Logical cooling water and nitrogen are protected when the resistance furnace melts.
It is described get rid of silk at fine temperature be 1400~1500 DEG C.
The resistance furnace shove charge the following steps are included:
A, are met by pressure and reaches 0.8~1.0MPa for resistance furnace molybdenum electrode component, head piece component pressure testing before shove charge, kept
Spill-free pressure testing requirement in 20 minutes；
B, after the installation is completed, head piece body insulation against ground resistance value is greater than 500 Ω to head piece component；
C, the size relationship of electrode and head piece relative position in resistance furnace is demarcated, and determines " position " and the outer " ruler of furnace in furnace
It is very little " the table of comparisons, it is opposite between electrode and head piece in regulating stove according to " size " table of comparisons outside furnace so as in resistance furnace is run
Position dimension；
D, powder is packed into resistance furnace, completes shove charge.
The resistance furnace opens molten preceding be added with and opens flux, described to open flux by cullet, magnesia powder, borax anhydrous by matter
Measure ratio: 2:1:1 is mixed.
It is described to open flux flux is opened by oxy-acetylene flame heating and melting, and stable small melting zone is formed, it is risen to current of electric
Stop heating when 25A or more.
The liquid that melting obtains in the step (3) is centrifuged tumbling machine by three rollers and get rid of silk into fibre.
It is 0.05~0.3MPa that the three rollers centrifugation tumbling machine, which blows compressed air pressure needed for fiber,.
Using the above scheme, for existing Soluble Fiber, devising a kind of biology can by the present invention
Soluble fiber and preparation method thereof passes through the silica by 60~70 parts, 15~20 parts of calcium oxide, 5~10 parts of oxidation
Soluble Fiber is made in magnesium, and there is high temperature resistant, solubility to be greater than 200ng/cm2H may be implemented quickly to dissolve；Pass through selection
Silica flour, talcum powder, dolomite dust and rare-earth oxide, which prepare Soluble Fiber as original material, has at low cost, life
Produce the advantages that high-efficient.
Figure of description
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that the present invention opens molten preceding electrode and head piece positional structure schematic diagram；
Fig. 2 is the electrode and head piece positional structure schematic diagram after resistance furnace drainage of the present invention；
Fig. 3 is the table of comparisons of " position " and furnace outer " size " in furnace of the present invention；
In figure, 1, electrode, 2, head piece, " B1 " indicates electrode upper limb at a distance from head piece top surface, and " C1 " indicates electrode upper limb
At a distance between head piece outer, " B2 " indicates electrode lower edge at a distance from head piece top surface, and " C2 " is indicated outside electrode lower edge and head piece
Distance between.
Specific embodiment
In order to clarify the technical characteristics of the invention, being explained in detail below by specific embodiment the present invention
It states.
The present invention provides a kind of biosoluble fibers, are prepared by the raw material of following mass parts:
60~70 parts of silica；
10~20 parts of calcium oxide；
5-10 parts of magnesia；
A kind of preparation method of biosoluble fibers, comprising the following steps:
(1) tcrude ore is chosen, tcrude ore presses proportion by weight are as follows:
Silica flour: 40~50 parts, wherein dioxide-containing silica is 90~99wt%；
Talcum powder: 20~27 parts, wherein composition content is SiO230~35wt% of 60~69wt%, MgO；
Dolomite dust: 25~32 parts, wherein composition content is CaO 30.4wt%, MgO 21.9wt%, CO2
47.7wt%；
Rare-earth oxide: 1~3 part；
(2) tcrude ore in step (1) is crushed, and stirred evenly, obtain powder；
(3) powder stirred evenly in step (2) being packed into resistance furnace, start-up resistor furnace drains powder, is melted,
It is fused into liquid；
(4) liquid that melting obtains in step (3) get rid of silk into fibre, obtain biosoluble fibers.
Rare-earth oxide is yttrium oxide.
Tcrude ore is imported in crusher and is crushed, and the particle maximum length of powder is greater than 20mm, is less than 80mm.
The temperature that resistance furnace melts powder is 1500~1800 DEG C.
Logical cooling water and nitrogen are protected when resistance furnace melts.
It is 1400~1500 DEG C that silk, which is got rid of, into fine temperature.
Resistance furnace shove charge the following steps are included:
A, are met by pressure and reaches 0.8~1.0MPa for resistance furnace molybdenum electrode component, head piece component pressure testing before shove charge, kept
Spill-free pressure testing requirement in 20 minutes；
B, after the installation is completed, head piece body insulation against ground resistance value is greater than 500 Ω to head piece component；
C, the size relationship of electrode and head piece relative position in resistance furnace is demarcated, and determines " position " and the outer " ruler of furnace in furnace
It is very little " the table of comparisons, it is opposite between electrode and head piece in regulating stove according to " size " table of comparisons outside furnace so as in resistance furnace is run
Position dimension；It is adjusted before Qi Rong according to Fig. 1 and Fig. 3；It is adjusted according to fig. 2 with Fig. 3 after resistance furnace drainage；
Resistance furnace open it is molten before, should by above-mentioned scaling method, by electrode upper limb at a distance from head piece top surface and outer size, both
Vertical and horizontal are adjusted to 3 " position (75mm), and the regular length of furnace inner electrode assembly is recorded, to make in resistance furnace operation more
Change electrode use.
Electrode and head piece relative position when resistance furnace opens molten are as follows:
" B1 " (electrode upper limb is at a distance from head piece top surface) 3 " (75mm)
" C1 " (electrode upper limb between head piece outer at a distance from) 3 " (75mm)
Stove is in normal melting phase, electrode and head piece relative position after resistance furnace cascading water are as follows:
" B2 " (electrode lower edge is at a distance from head piece top surface) 1/4 " (6.3mm)~1/2 " (12.5mm)
" C2 " (electrode lower edge between head piece outer at a distance from) 4.5 " (112.5mm)~5 " (125mm)
D, powder is packed into resistance furnace, completes shove charge.
Work is checked before Qi Rong:
A, resistance furnace load test is qualified；
B, the unobstructed no leakage of resistance furnace cooling water system is rushed down, hydraulic pressure > 0.20MPa (blanket heating furnace cooling water pressure > 0.20MPa)；
C, head piece nitrogen supply system is unobstructed spill-free, air pressure > 0.4MPa, head piece nitrogen consumption 1200-1500ml/h, and nitrogen is pure
Degree > 99.999%；
D, compressed air system is unobstructed spill-free, pressure > 0.4MPa.
Resistance furnace opens molten preceding be added with and opens flux, described to open flux by cullet, magnesia powder, borax anhydrous by quality
Than: 2:1:1 is mixed.
Open flux and flux opened by oxy-acetylene flame heating and melting, and form stable small melting zone, to current of electric rise to 25A with
Stopped heating when upper.
Specific drainage and melting process:
A, open it is molten formed stablize small melting zone after, remove electrode depending on small melting zone situation is gradually outer, remove the mark of electrode for the first time: electricity
Electrode current the time about 30 minutes, removes one-time electrode in average every 30 minutes later, removes 1/2 "~1 " every time, remove altogether up to 75~100A
4 ", depending on conditions within the melting furnace.It is slowly increased the main power of resistance furnace simultaneously, main power increase rate is 50A/30 minutes.
B, with removing outside electrode, molten bath expands, and melting power increases, and needs to change resistance furnace transformer tap position, transformer
Tap position is by one tap position of transformation in 1 to 2 to 3, about 1.5~2 hours.Transformer tap positions by 1 to 2 to 3 transformation
In the process, three electrodes are when electrode current is up to 75~100A, start it is outer remove, change simultaneously the regulation of longitudinal angle of three electrodes.?
Lateral distance 7 is changed stepwise in the position of electrode and head piece " (175mm), longitudinal height -1/2 " when the position (12.5mm), furnace charge
Melting process is initially located in stabilization.
When measuring resistance furnace bath depth is 11 "~12 ", the position of electrode and head piece is restored to opening molten front position,
Longitudinal height 3 ", lateral distance 3 " makes resistance furnace be in holding stage, and about 30~45 minutes.Given head piece electric current simultaneously, heating
Molybdenum head piece.After removal head piece molybdenum plug cone, it can drain.
Resistance furnace normally melts the phase after cascading water, and per half an hour inspection, record each technological parameter of resistance furnace are primary, and according to note
The working of a furnace of reflection is recorded, grasps, adjust operating parameter, resistance furnace is kept to operate normally.
The liquid that melting obtains in step (3) is centrifuged tumbling machine by three rollers and get rid of silk into fibre.
It is 0.05~0.3MPa that three rollers centrifugation tumbling machine, which blows compressed air pressure needed for fiber,.
The main technologic parameters when resistance furnace that the present invention selects operates normally:
Three-phase electrode electric current: 1300-1800A
Three-phase electrode voltage: 130V-160V
Main power: 600-1000KW
Flow stock amount parameter:
Early period in furnace life: 200~350 ㎏/hour；Middle and later periods in furnace life is according to furnace control in 350~450 ㎏/hour.
Get rid of a fiber forming process:
A, this technique uses three-roller type centrifugal drying silk fiber-forming process.The driving motor power of three rollers of tumbling machine is
7.5KW, using frequency conversion adjustment tumbling machine trolley can longitudinal and transverse two directions it is mobile, it is opposite with wire swaying roller drop point to adjust stream stock
Position.
B, when three rollers are got rid of thread, stream stock is in the position that A roller drop point site is about " 10-11 " point.
When two rollers are got rid of thread, stream stock is in the position that B roller drop point site is about " 1-2 " point.
C, three roller normal operating frequency are as follows:
A roller: 35-45Hz
B roller: 45-55Hz
C roller: 50-60Hz
D, tumbling machine shafting oil mist lubrication parameter
Compressed air pressure: 0.2-0.3MPa
Oil temperature: 60-80 DEG C
Fuel consumption: 0.8-1.2Kg/h
E, wire swaying roller water cooling parameter:
Hydraulic pressure: 0.20Mpa
Water quality: < 0.03 equivalent parts per million
Wire swaying roller cooling water outlet temperature: < 60 DEG C
Embodiment 1
It is made of the raw material of following mass fraction: 60 parts of silica, 10 parts of calcium oxide and 5 parts of magnesia.
The specific preparation methods of biosoluble fibers the following steps are included:
(1) 40 parts of silica flour are chosen；20 parts of talcum powder；25 parts of dolomite dust；1 part of yttrium oxide；
(2) tcrude ore in step (1) is imported in crusher and is crushed, and stirred evenly, obtain powder；
(3) powder stirred evenly in step (2) is subjected to shove charge, Qi Rong, drainage and melting, to powder at 1600 DEG C
It carries out being melt into liquid；
(4) melting obtains in step (3) liquid is centrifuged tumbling machine by three rollers and carries out getting rid of silk at 1400 DEG C into fibre,
Obtain biosoluble fibers.
Embodiment 2
It is made of the raw material of following mass fraction: 65 parts of silica, 15 parts of calcium oxide and 8 parts of magnesia.
The specific preparation methods of biosoluble fibers the following steps are included:
(1) 45 parts of silica flour are chosen；23 parts of talcum powder；29 parts of dolomite dust；2 parts of yttrium oxide；
(2) tcrude ore in step (1) is imported in crusher and is crushed, and stirred evenly, obtain powder；
(3) powder stirred evenly in step (2) is subjected to shove charge, Qi Rong, drainage and melting, to powder at 1700 DEG C
It carries out being melt into liquid；
(4) melting obtains in step (3) liquid is centrifuged tumbling machine by three rollers and carries out getting rid of silk at 1450 DEG C into fibre,
Obtain biosoluble fibers.
Embodiment 3
It is made of the raw material of following mass fraction: 70 parts of silica, 20 parts of calcium oxide and 10 parts of magnesia.
The specific preparation methods of biosoluble fibers the following steps are included:
(1) 50 parts of silica flour are chosen；27 parts of talcum powder；32 parts of dolomite dust；3 parts of yttrium oxide；
(2) tcrude ore in step (1) is imported in crusher and is crushed, and stirred evenly, obtain powder；
(3) powder stirred evenly in step (2) is subjected to shove charge, Qi Rong, drainage and melting, to powder at 1800 DEG C
It carries out being melt into liquid；
(4) melting obtains in step (3) liquid is centrifuged tumbling machine by three rollers and carries out getting rid of silk at 1500 DEG C into fibre,
Obtain biosoluble fibers.
Biosoluble fibers of the present patent application and preparation method thereof have high temperature resistant, manufacturing cost is low, solubility is good
The advantages that.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.
Claims (10)
1. a kind of biosoluble fibers, it is characterised in that: chemical composition ratio (mass percent) is as follows:
60~70 parts of silica；
10~20 parts of calcium oxide；
5~10 parts of magnesia.
2. a kind of preparation method of biosoluble fibers according to claim 1, comprising the following steps:
(1) tcrude ore is chosen, tcrude ore presses proportion by weight are as follows:
Silica flour: 40~50 parts, wherein dioxide-containing silica is 90~99wt%；
Talcum powder: 20~27 parts, wherein dioxide-containing silica is 90~99wt%；
Dolomite dust: 25~32 parts, wherein dioxide-containing silica is 90~99wt%；
Rare-earth oxide: 1~3 part；
(2) tcrude ore in step (1) is crushed, and stirred evenly, obtain powder；
(3) powder stirred evenly in step (2) is packed into resistance furnace, start-up resistor furnace drains powder, melts, and melts
At liquid；
(4) liquid that melting obtains in step (3) get rid of silk into fibre, obtain biosoluble fibers.
3. a kind of preparation method of biosoluble fibers according to claim 2, it is characterised in that: the rare earth metal
Oxide is yttrium oxide, and the tcrude ore is imported in crusher and is crushed, and the particle maximum length of powder is greater than 20mm, is less than
80mm。
4. a kind of preparation method of biosoluble fibers according to claim 2, it is characterised in that: the resistance furnace is molten
The temperature for melting powder is 1500~1800 DEG C.
5. a kind of preparation method of biosoluble fibers according to claim 2, it is characterised in that: the resistance furnace is molten
Lead to cooling water when melting and nitrogen is protected.
6. a kind of preparation method of biosoluble fibers according to claim 2, it is characterised in that: the silk that gets rid of is at fibre
Temperature is 1400~1500 DEG C.
7. a kind of preparation method of biosoluble fibers according to claim 2, it is characterised in that: the resistance furnace dress
Furnace the following steps are included:
A, are met by pressure and reaches 0.8~1.0MPa, is kept for 20 points for resistance furnace molybdenum electrode component, head piece component pressure testing before shove charge
The spill-free pressure testing requirement of clock；
B, after the installation is completed, head piece body insulation against ground resistance value is greater than 500 Ω to head piece component；
C, the size relationship of electrode and head piece relative position in resistance furnace is demarcated, and determines " position " and furnace outer " size " in furnace
The table of comparisons, so as in resistance furnace is run, according to " size " table of comparisons outside furnace, relative position ruler between electrode and head piece in regulating stove
It is very little；
D, powder is packed into resistance furnace, completes shove charge.
8. a kind of preparation method of biosoluble fibers according to claim 2, it is characterised in that: the resistance furnace opens
Added with opening flux before molten, described to open flux by cullet, magnesia powder, borax anhydrous in mass ratio: 2:1:1 is mixed.
9. a kind of preparation method of biosoluble fibers according to claim 8, it is characterised in that: it is described open flux by
Oxy-acetylene flame heating and melting opens flux, and forms stable small melting zone, stops heating when current of electric rises to 25A or more.
10. a kind of preparation method of biosoluble fibers according to claim 2, it is characterised in that: the step (3)
The middle obtained liquid that melts get rid of silk into fibre by three rollers centrifugation tumbling machine.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298384A (en) * | 2008-06-26 | 2008-11-05 | 武汉科技大学 | Biodegradable refractory ceramic fibre and preparation thereof |
| CN101619508A (en) * | 2008-12-27 | 2010-01-06 | 摩根凯龙（荆门）热陶瓷有限公司 | Environmentally friendly bio-soluble refractory fibre and production process thereof |
| CN103476977A (en) * | 2011-03-31 | 2013-12-25 | 霓佳斯株式会社 | Method for manufacturing bio-soluble inorganic fiber |
| JP2014511820A (en) * | 2011-04-12 | 2014-05-19 | ケーシーシー コーポレーション カンパニー リミテッド | Bio-soluble mineral wool fiber composition and mineral wool fiber |
-
2018
- 2018-09-30 CN CN201811154431.8A patent/CN109295549A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298384A (en) * | 2008-06-26 | 2008-11-05 | 武汉科技大学 | Biodegradable refractory ceramic fibre and preparation thereof |
| CN101619508A (en) * | 2008-12-27 | 2010-01-06 | 摩根凯龙（荆门）热陶瓷有限公司 | Environmentally friendly bio-soluble refractory fibre and production process thereof |
| CN103476977A (en) * | 2011-03-31 | 2013-12-25 | 霓佳斯株式会社 | Method for manufacturing bio-soluble inorganic fiber |
| JP2014511820A (en) * | 2011-04-12 | 2014-05-19 | ケーシーシー コーポレーション カンパニー リミテッド | Bio-soluble mineral wool fiber composition and mineral wool fiber |
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